4x(4x2-2)
16x3-8x
y=-5x
y=-7x-14
x = -7
y = 35
Solution: (-7,35)
Simplify. (x)(x)(x)(x)(y)(y)(y)
x4y3
3(3y-4)
9y-12
What is the slope of the line that passes through the points (-2,-4) & (3,-9)?
Slope = -1
9x(3x2-9)
27x3-81x
-4x+6y=-10
2y+4=x
x = -2
y = -3
Solution: (-2,-3)
Simplify. (w3)(w4)
w7
2(3x+5)
6x+10
What is the slope of the line that passes through the points (-4,-7) & (-2,-19)?
Slope = -6
(x+6)(2x+4)
2x2+16x+24
y=3x-8
y=-2x-3
x = 1
y = -5
Solution: (1,-5)
Simplify. (x3)2
x6
3(2x-9)=21
x = 8
What is the slope of the line that passes through the points (-8,2) & (-11,3)?
Slope = -1/3
(2x-4)(x+8)
2x2+12x-32
-2x+7y=20
x+7y=32
x = 4
y = 4
Solution: (4,4)
Simplify. (-4w3)(-5w4)
20w7
2(-4x+5)-4x+1=-49
x = 5
What is the slope of the line that passes through the points (-9,-5) & (-1,-9)?
Slope = -1/2
(3x+2)(3x2+x+4)
9x3+9x2+14x+8
8x+6y=28
9x+3y=39
x = 5
y = -2
Solution: (5,-2)
Simplify. x2(3x3y2)3
27x11y6
4(4x-4)+x+4=-46
x = -2
What is the equation of the line that passes through the points (7,-7) & (8,-13)?
Slope = -6
y-int = (0,35)
y=-6x+35